Maybe they are floating this about Sessions to get Dems to defend him. First, get a few dems on the record talking about how sessions is a statesman with a distinguished career...
... then drop the bombs on full-bore Hillary investigation and pending indictments.
That makes the most sense to me. Make the guy a sympathetic figure so that he can do what needs to be done in prosecuting the Clinton machine. “The President bullied him into doing it”, instead of being referred to as Trump’s bulldog AG when the SHTF.